List of top Civil Engineering Questions

The periodicity, with which rapid gravity filters need cleaning is of the order of
Activated carbon is added to water treatment for removing
Which of the following is a type of air pollution that can cause respiratory problems?
The design technique, adopted in design of large water supply networks, as an aid to simplify and separate the smaller loops is
To detect the turbidity of the order of 0 to 10 ppm or 10 mg/l, the instrument used is
When a canal and a drainage approach each other at the same level, the structure so provided is called as
The population of a city in 2000 is 50,000. The average increase in population per decade from the previous records of population is 5000 and average percentage increase per decade is 20%. The population of the city based on geometrical increase method, in the year 2020 will be
The difference in level between the top of a bank and full supply level (FSL) in a canal is called
A Pelton wheel develops 5520 kW under a head of 225 m at an overall efficiency of 80% when revolving at a speed of 300 rpm. Then the unit speed is
In a ghat area, the average annual rainfall observed is 500 mm. Then the average annual runoff in millimetres as per the Inglis and DeSouza's formula is
Wind blowing over the water surface in the reservoir developed a wave of height 2 m. Then the wave force in kN/m on the upper portion of gravity dam is
From a sieve analysis test on a soil sample, the mean size of particles observed is 1 mm. The Lacey’s silt factor is
If wheat requires about 75 mm of water after every 28 days, and the base period for wheat is 140 days, the value of delta for wheat is
For critical flow conditions in rectangular channels, which of the following is the correct relationship between critical depth \( y_c \) and specific energy \( E \)?
A square lamina (each side equal to 2m) is submerged vertically in water such that the upper edge of the lamina is at a depth of 0.5 m from the free surface. What will be the total water pressure (in kN) on the lamina? (take \( \gamma_w = 10 \, \text{kN/m}^3 \))
A pitot tube is used to measure
In which of the following cases, the hydraulic jump is not possible?
An ideal flow of a liquid obeys:
What is the purpose of pile caps in deep foundation systems?
The bearing capacity of soil supporting a footing of size $ 3 \, \text{m} \times 3 \, \text{m} $ will not be affected by the presence of water table located at a depth below the base of footing of
Which factor does not contribute to the instability of slopes?
The intensity of active earth pressure at a depth of 10 metres in dry cohesionless sand with an angle of internal friction of \( 30^\circ \) and with a weight of \( 1.8 \, \text{t/m}^3 \) is
If the actual value of the standard penetration number, SPT N measured in fine sand below the water table is 19, then the corrected value of SPT N for dilatancy is
General shear failure is common in which of the following soils?
The active earth pressure of a soil is proportional to (where \( \phi \) is the angle of internal friction of soil)